feat: add cswap alias command

commands/web/claude-swap

@@ -2,7 +2,8 @@
 #ddev-generated
 ## Description: Manage multiple Claude accounts (claude-swap / cswap)
 ## Usage: claude-swap [command]
-## Example: "ddev claude-swap list"
+## Example: "ddev claude-swap list" or "ddev cswap list"
+## Aliases: cswap
 set -euo pipefail
 
 INSTALL_SCRIPT="${DDEV_APPROOT}/.ddev/claude-code/install-swap.sh"